Ãâ·Ñ»ªÈËÉ«ÇéÖ±²¥Æ½Ì¨ÎªÄúÌṩȫÇò×ۺϳÉÈËÂÌÉ«ÍøÕ¾magnet,ߣÆðÐä×ÓÒ»Æð¸ÉÉîÊܹã´óÍøÓÑÃÇϲ°®Ã¿Ìì²»¼ä¶ÏµÄ¸üлã¾ÛÁËÉÏÍò²¿Ãâ·ÑµÄ¼¤ÇéÔÚÏ߸ßÇåµçÓ°,²¢ÇÒ²¥·ÅÆ÷Öп´Æ¬Ã»ÓÐÈκιã¸æ²å²¥¾ø¶ÔÈÃÄ...